21821382

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:306

約数の個数: 72

約数和(自身を含む): 53405352

約数和(自身を除く): 31583970

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 121, 129, 198, 233, 242, 258, 363, 387, 466, 473, 699, 726, 774, 946, 1089, 1398, 1419, 2097, 2178, 2563, 2838, 4194, 4257, 5126, 5203, 7689, 8514, 10019, 10406, 15378, 15609, 20038, 23067, 28193, 30057, 31218, 46134, 46827, 56386, 60114, 84579, 90171, 93654, 110209, 169158, 180342, 220418, 253737, 330627, 507474, 661254, 991881, 1212299, 1983762, 2424598, 3636897, 7273794, 10910691, 21821382]

約数ペア:

[(1, 21821382), (2, 10910691), (3, 7273794), (6, 3636897), (9, 2424598), (11, 1983762), (18, 1212299), (22, 991881), (33, 661254), (43, 507474), (66, 330627), (86, 253737), (99, 220418), (121, 180342), (129, 169158), (198, 110209), (233, 93654), (242, 90171), (258, 84579), (363, 60114), (387, 56386), (466, 46827), (473, 46134), (699, 31218), (726, 30057), (774, 28193), (946, 23067), (1089, 20038), (1398, 15609), (1419, 15378), (2097, 10406), (2178, 10019), (2563, 8514), (2838, 7689), (4194, 5203), (4257, 5126)]